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- 1. Multiple Choice
Which energy conversion is taking place when you put gasoline in a car?thermal -> electricalmechanical -> electricalchemical -> mechanicalmechanical -> electromagnetic - 2. Multiple Choicewhat type of energy is stored in a battery?electricalchemicalthermalmechanical
- 3. Multiple Choice
Electrical Energy is transferred to _____ Energy.
Thermal
Solar
Electrical
None
- 4. Multiple ChoiceWhich energy transformation occurs in a toaster?chemical to electricelectric to thermalkinetic to chemicalthermal to potential
- 5. Multiple ChoiceA battery converts what type of energy to another?sound to kineticlight to heatmechanical to electricalchemical to electrical
- 6. Multiple ChoiceEnergy transformations occur when...energy is created through conductionenergy changes from one form to anothertwo forces slide together that are touchinga chemical reaction takes place
- 7. Multiple ChoiceWhat is energy changing from one form to another?energy conservationenergy transformationenergy creationmechanical energy
- 8. Multiple ChoiceWhich items would have this energy transformation: chemical energy -> mechanical energy?person runningcandle burningwindmill turningplaying a violin
- 9. Multiple ChoiceA hairdryer converts --electrical energy into chemicalelectrical energy into thermalchemical energy into mechanicalthermal energy into mechanical
- 10. Multiple Choice
"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?
Law of Conservation of Mass
Newton's Second Law
Law of Conservation of Energy
Newton's Third Law
- 11. Multiple ChoiceA student listens to music with a digital music player, similar to the one shown below. Which best describes the energy transformations that take place in the music player?Mechanical to chemical to electricalChemical to sound to electricalChemical to electrical to soundElectrical to heat to sound
- 12. Multiple ChoiceWhere is the potential energy the greatest?ABCD
- 13. Multiple ChoiceEnergy from light waves.Radiant EnergyChemical EnergyNuclear EnergyRadiation
- 14. Multiple Choice
What is energy?
The ability to cause a change or do work
A force
Electricity
The ability to transform work
- 15. Multiple ChoiceThe form of energy from the sun can be transformed into the energy needed for a tree to grow. What types of energy occur in this transformation?Electromagnetic - mechanicalPotential - kineticLight - chemicalNuclear - thermal
- 16. Multiple ChoiceThe energy transformation that takes place when a flashlight is turned on is...Chemical - electrical - lightChemical - light - electricalElectrical - thermal - lightNuclear - light - electrical
- 17. Multiple ChoiceAny form of energy can change into _____ other form of energy.anytwooneuno
- 18. Multiple ChoiceEnergy due to motion is ____________ energy.PotentialEnergyKineticFriction
- 19. Multiple Choice__________ is stored energy.PotentialKineticNone of the aboveAll of the above
- 20. Multiple ChoiceGravitational potential energy depends on the ________ and ________ of the object.Height and massFriction and movementMass and MovementHeight and Friction
- 21. Multiple Choice
What energy transformation occurs as howler monkeys loudly call to each other in the forest?
Chemical --> Mechanical --> Sound
Chemical --> Sound --> Thermal
Sound --> Chemical --> Radiant
Mechanical --> Chemical --> Sound
- 22. Multiple Choice
What energy transformation occurs as as an elephant walks through the savanna?
Thermal --> Chemical + Mechanical
Mechanical --> Chemical + Thermal
Radiant --> Chemical + Mechanical
Chemical --> Mechanical + Thermal
- 23. Multiple Choice
What energy transformation occurs during photosynthesis?
Chemical --> Radiant
Thermal --> Chemical
Radiant --> Chemical
Mechanical --> Thermal
- 24. Multiple ChoiceWhich of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?chemical to thermallight to chemicalthermal to lightchemical to electrical
- 25. Multiple ChoiceWhich of the following devices transforms electrical energy into mechanical energy?An e-readera fana manual pencil sharpeneripod
- 26. Multiple ChoicePeople get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?mechanical to thermal to electricalchemical to mechanical to thermalmechanical to chemical to soundchemical to sound to electrical
- 27. Multiple ChoiceWhat energy transformations take place when a battery-operated radio is in use?Electrical to chemical to lightSound to chemical to mechanicalChemical to electrical to soundLight to electrical to thermal
- 28. Multiple ChoiceWhich of the following shows an energy transformation from chemical energy to electrical to light energy?A bolt of lightning lights the night sky.A candle glows brightly in the dark.A fire in a fireplace lights up a room.A battery causes a flashlight to shine.
- 29. Multiple ChoiceWhich of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?Chemical to lightElectrical to chemicalElectrical to lightChemical to electrical
- 30. Multiple ChoiceThe picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —solarlightthermalmechanical
- 31. Multiple ChoiceElectrical -> Mechanical -> SoundA triple beam balance measuring an object’s massA pencil sharpener plugged into a wall outletA projector displaying a diagram on the screenA working flashlight used to light up a dark corner
- 32. Multiple ChoiceLook at the diagram. Which point does the ball have the maximum potential energy?ABCD
- 33. Multiple ChoiceMrs. Goodwyn's students are complaining that it is hot in the classroom. She plugs in the fan and turns it on, which energy transformation occurs?mechanical to electricalelectrical to mechanicalchemical to mechanicalelectromagnetic to mechanical
- 34. Multiple ChoiceA kid is on top of a slide. He goes down the slide until he reaches the bottom. What is the energy equation?Kinetic Energy->Heat EnergyKinetic Energy ->Potential EnergyPotential Energy->Kinetic EnergyChemical Energy->Kinetic Energy
- 35. Multiple ChoiceTwo cars are going the same speed. Car 1 has more mass and Car 2 has less mass. Which car has more Kinetic Energy?Both have the same amount of Kinetic Energy.Car 1They both have no Kinetic Energy.Car 2
- 36. Multiple ChoiceWhat is happening at B?Lowest kinetic energy, highest potential energyHighest kinetic energy, lowest potential energy
- 37. Multiple Choice
gamma rays, x-rays, microwaves, radio waves, rainbows, and visible light all have what in common?
they are examples of chemical energy
they are examples of electrical energy
they are examples of radiant energy
they are examples of mechanical energy
- 38. Multiple ChoiceWhich energy transformation is taking place in a flashlight?chemical > nuclear > mechanicalmechanical > chemical > electrical > electromagneticelectromagnetic > mechanical > thermal > chemicalnuclear > thermal > electromagnetic > chemical
- 39. Multiple ChoiceAs a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?Both the potential energy and kinetic energy decreaseThe potential energy decreases while the kinetic energy increasesThe kinetic energy decreases while the potential energy increasesBothe the potential energy and kinetic energy increase
- 40. Multiple ChoiceWhich of the following is NOT true about Potential Energy?An object's position affects its potential energyPotential energy is Stored energyPotential energy only occurs when an object is in motionAll objects have potential energy
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